How do you solve x-4/x-1 = 12/3-x +1x4x1=123x+1?

solving rational equations

1 Answer
Jul 20, 2018

x=(3+sqrt17)/2x=3+172 or x=(3-sqrt17)/2x=3172

Explanation:

x-4/x-1=12/3-x+1x4x1=123x+1 where x!=0x0

x-4/x-1=4-x+1x4x1=4x+1

2x-6=4/x2x6=4x

2x^2-6x=42x26x=4

2x^2-6x-4=02x26x4=0

x^2-3x-2=0x23x2=0

Using the quadratic formula,

x=(3+-sqrt(9+8))/2x=3±9+82

x=(3+-sqrt17)/2x=3±172

x=(3+sqrt17)/2x=3+172 or x=(3-sqrt17)/2x=3172